26701840 has 80 divisors (see below), whose sum is σ = 71334720. Its totient is φ = 9192960.

The previous prime is 26701817. The next prime is 26701879. The reversal of 26701840 is 4810762.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 26701799 and 26701808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15922 + ... + 17518.

It is an arithmetic number, because the mean of its divisors is an integer number (891684).

Almost surely, 2^26701840 is an apocalyptic number.

26701840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26701840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35667360).

26701840 is an abundant number, since it is smaller than the sum of its proper divisors (44632880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26701840 is a wasteful number, since it uses less digits than its factorization.

26701840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 26701840 is about 5167.3823160281. The cubic root of 26701840 is about 298.8916136795.

The spelling of 26701840 in words is "twenty-six million, seven hundred one thousand, eight hundred forty".